H3C WX5004 Installation Manual

Also see for WX5004: Configuration guide Getting started guide Installation guide Quick start guide

A-2Technical parameters, installation and maintenance methods of an arrester have been given in thearrester instruction. Read the instruction carefully before installing the lightning arrester for the networkinterface.Step5 Tie the cables together with nylon clips.Figure A-1 Installation of a lightning arrester for network interfacePrecautionsTo ensure performance of the lightning arrester for network interface during installation, observe thefollowing rules:z Properly connect the lightning arrester for network interface, with IN connecting to the lightningarrester while OUT connecting to the network interface of the access controller.z Correctly ground the lightning arrester. When connecting the ground cable, make sure that theground cable is of a proper length and has a good touch with the grounding screw of the accesscontroller. Check the ground cable with a multimeter after connection.z Install adequate lightning arresters for network interfaces. When there are more than one networkinterface connecting to outdoor cables, you should install a lightning arrester for each of thenetwork interfaces to guard the interfaces against possible damages.